The SPECTRUM Group > COL John Mills, USA, Ret.

COL John Mills, USA, Ret.


  • Cybersecurity Policy and Strategy
  • National Security Council (NSC) and Inter-Agency Initiatives
  • Foreign Military Sales (FMS) and Train/Equip
  • International Military Education and Training
  • Training Public-Private Partnerships


Colonel Mills delivers significant experience in Department of Defense (DoD) and Department of Homeland Security (DHS) cybersecurity, technology, and critical infrastructure programs. He has worked extensively in train and equip efforts using Foreign Military Sales (FMS), foreign military financing, ITAR, and international military education and training, and builds public-private defense and technology industrial base partnerships, including helping establish the DoD’s Development Innovation Unit (DIU) in Silicon Valley.

Prior to joining The SPECTRUM Group (TSG), Colonel Mills served as the Director for Cybersecurity Policy, Strategy, and International Affairs in the Office of the Secretary of Defense. His work included creating and implementing the first DoD and intelligence community (IC) scorecarding initiative, boosting whole-of government cybersecurity and multidomain responses to threat actor and nation hostile actions.

Colonel Mills’ 33-year U.S. Army and Army Reserves career culminated in his serving as a senior liaison between DHS and DoD for complex homeland security operations. Earlier, he helped establish and advise foreign national military and security forces in Iraq, Afghanistan, Yemen, Bosnia, South Korea, and the Kingdom of Saudi Arabia. His roles spanned joint and inter-agency operations, psychological operations (PSYOP), intelligence activities, special operations, strategic planning, and public affairs.

In addition to his work at TSG, Colonel Mills serves as an adjunct assistant professor for the Cybersecurity Law and Policy program at the University of Maryland, Global Campus.


  • Director, Cybersecurity Policy, Strategy, and International Affairs, Office of the Secretary of Defense
  • Member, National Security Council
  • Member, Federal Advisory Board, Symantec
  • Advanced Research Project Lead, Federal Aviation Administration (FAA)


  • M.S.S. (Master of Strategic Studies), U.S. Army War College
  • M.B.A., Marketing, Golden Gate University
  • B.A., Geography, University of Washington